From patchwork Mon Aug 6 13:13:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anilkumar Kolli X-Patchwork-Id: 10557081 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AB4BF157B for ; Mon, 6 Aug 2018 13:13:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98261284B3 for ; Mon, 6 Aug 2018 13:13:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C50028F8A; Mon, 6 Aug 2018 13:13:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 29836284B3 for ; Mon, 6 Aug 2018 13:13:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=NWhmrkDpUhu0cuXFlDzu64CMHsPzZiDMbBkuwORAVpM=; b=K8GuKu45sG2fLN4sydyroCOb2E PAUblfNY+QCKAfKQXLh1MxPVOVaWOoAHqMIvpBh7X6BtnCIDKEx1p0isJ/vF/AaxGuATjSnes/4pG +CXyJR3/Knx4h1syZScPQGKCB640KJCMvYRgZ9j88/OPu+fY7RPD3ax9J1N/yM2LfS9BgYhPmI1Kx oF7YYv1AdOt8bw0FODcInTKc+PWEmgi626qmxGJ1JPSwVsrFLT5DOrtFTxfjdyLYRwwvpKd4iRSf7 P9SkClPHROTQj4JluSfvkNK5F9mYCQda8wsZqh7yXnAf70WmElfztUIy1A5ShP/h7fs6a15TQTY/X DVlmSARA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fmfK8-0008S6-Ha; Mon, 06 Aug 2018 13:13:24 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fmfK1-0008Mx-I2 for ath10k@lists.infradead.org; Mon, 06 Aug 2018 13:13:23 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 46BBA60B11; Mon, 6 Aug 2018 13:13:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1533561187; bh=WVWuEbthkFgbQwa/vZ6qo/XStrVM/qlws/vx4PU8Chc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cnIEsyXxbhNkVo2pcC5XfqE0K7BOEy+CKYGm8w5st6k5BjUsYyP/PTQnz8NMNTirA Pw6rSnebakreJWJSBJoWAoTzDig39oADxuTTL7CLhTgG3hb9bf+o4l6Q+XtoqaXs7H m927iDTUYQxSK1Lx4vN0JJ8uyrgGv2g23pGnXkfo= Received: from localhost (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: akolli@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id D739160AFF; Mon, 6 Aug 2018 13:13:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1533561186; bh=WVWuEbthkFgbQwa/vZ6qo/XStrVM/qlws/vx4PU8Chc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cYfNKHDWI98CHv8kBIqu++/HHmLhDVaNGmD+q8h98RaR3yxbYCh8tMoteikpqoL4f Zpweo7Qzi/Sv7pBaX+LROgXmc8F89BXh6/MGaHUCsI7V2zHZOs2cpEjzJrlEGRyW4M zN0XgFtzN2kSwTe2OSHs9wIKA4bXdxZyxYRY8JJc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D739160AFF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=akolli@codeaurora.org From: Anilkumar Kolli To: ath10k@lists.infradead.org Subject: [PATCH 4/4] ath10k: add debugfs support to dump per sta tx stats Date: Mon, 6 Aug 2018 18:43:43 +0530 Message-Id: <1533561223-342-5-git-send-email-akolli@codeaurora.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1533561223-342-1-git-send-email-akolli@codeaurora.org> References: <1533561223-342-1-git-send-email-akolli@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180806_061317_632626_1C6E987E X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org MIME-Version: 1.0 Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds 'tx_stats' in per station debugfs entry. Use this command to dump tx_stats: cat /sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/ stations//tx_stats Signed-off-by: Anilkumar Kolli --- drivers/net/wireless/ath/ath10k/debugfs_sta.c | 100 +++++++++++++++++++++++++ 1 file changed, 100 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c index a63c97e2c50c..800eddd26af8 100644 --- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -626,9 +626,105 @@ static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file, .llseek = default_llseek, }; +static inline int ath10k_dump_htt_tx_stats(char *buf, int len, int size, + struct ath10k_htt_data_stats stats, + int type, const char *name) +{ + static const char *str[ATH10K_COUNTER_TYPE_MAX] = { + "bytes", "packets"}; + int i; + + len += scnprintf(buf + len, size - len, "%s_%s\n", name, + str[type]); + len += scnprintf(buf + len, size - len, " VHT MCS %s\n", + str[type]); + for (i = 0; i < NUM_VHT_MCS; i++) + len += scnprintf(buf + len, size - len, " %llu ", + stats.vht[type][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, " HT MCS %s\n", + str[type]); + for (i = 0; i < NUM_HT_MCS; i++) + len += scnprintf(buf + len, size - len, " %llu ", + stats.ht[type][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, + " BW %s (20,40,80,160 MHz)\n", str[type]); + len += scnprintf(buf + len, size - len, " %llu %llu %llu %llu\n", + stats.bw[type][0], stats.bw[type][1], + stats.bw[type][2], stats.bw[type][3]); + len += scnprintf(buf + len, size - len, + " NSS %s (1x1,2x2,3x3,4x4)\n", str[type]); + len += scnprintf(buf + len, size - len, " %llu %llu %llu %llu\n", + stats.nss[type][0], stats.nss[type][1], + stats.nss[type][2], stats.nss[type][3]); + len += scnprintf(buf + len, size - len, " GI %s (LGI,SGI)\n", + str[type]); + len += scnprintf(buf + len, size - len, " %llu %llu\n", + stats.gi[type][0], stats.gi[type][1]); + len += scnprintf(buf + len, size - len, + " legacy rate %s (1,2 ... Mbps)\n ", str[type]); + for (i = 0; i < NUM_LEGACY; i++) + len += scnprintf(buf + len, size - len, "%llu ", + stats.legacy[type][i]); + len += scnprintf(buf + len, size - len, "\n"); + + return len; +} + +static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + char *buf; + static const char *str_name[ATH10K_STATS_TYPE_MAX] = { + "succ", "fail", "retry", "ampdu"}; + int len = 0, i, j, retval = 0, size = 2 * 1024; + + buf = kzalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + + for (i = 0; i < ATH10K_STATS_TYPE_MAX; i++) + for (j = 0; j < ATH10K_COUNTER_TYPE_MAX; j++) + len = ath10k_dump_htt_tx_stats(buf, len, size, + arsta->tx_stats->stats[i], + j, str_name[i]); + + len += scnprintf(buf + len, size - len, + "\nTX duration\n %llu usecs\n", + arsta->tx_stats->tx_duration); + len += scnprintf(buf + len, size - len, + "BA fails\n %llu\n", arsta->tx_stats->ba_fails); + len += scnprintf(buf + len, size - len, + "ack fails\n %llu\n", arsta->tx_stats->ack_fails); + + if (len > size) + len = size; + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + mutex_unlock(&ar->conf_mutex); + return retval; +} + +static const struct file_operations fops_tx_stats = { + .read = ath10k_dbg_sta_dump_tx_stats, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir) { + struct ath10k *ar = hw->priv; + debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode); debugfs_create_file("addba", 0200, dir, sta, &fops_addba); debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp); @@ -637,4 +733,8 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, &fops_peer_debug_trigger); debugfs_create_file("dump_tid_stats", 0400, dir, sta, &fops_tid_stats_dump); + + if (ath10k_peer_stats_enabled(ar) && ar->debug.enable_extd_tx_stats) + debugfs_create_file("tx_stats", 0400, dir, sta, + &fops_tx_stats); }